The Siege of Changchun () was a siege operation launched by the People's Liberation Army during the Chinese Civil War against the city of Changchun, defended by the Nationalist forces. The Siege of Changchun was part of the Liaoshen Campaign, and the fall of Changchun marked the end of the first stage in Liaoshen Campaign.
Beginning on May 23, 1948, the People's Liberation Army began to encircle the Nationalist defenders in Changchun, while cutting off air transportation. The siege would last for 150 days. The siege ended when the People's Liberation Army entered Changchun after the Nationalist 60th Army and New 7th Army surrendered.
Lin Biao commanded the Communist forces during the siege. Lin had initially proposed to move on Changchun in April, but turned his attention to other cities after investing Changchun. In October, Lin proposed to finally take the city. In response, Mao sent a sarcastic telegram ridiculing him for not having taken the city five months prior, and ordering Lin to take Jinzhou instead. As news from Jinzhou reached Changchun, the KMT commanding general, Ceng Zesheng, defected to the Communists along with most of his officers. They were given posts in the Communist armies on Mao Zedong's personal orders.
Large numbers of civilians starved in the siege; estimates range from 150,000 to 330,000. The besieging Communist forces allowed Nationalist soldiers to leave, but forcibly prevented civilians from doing so, hoping to pressure General Zheng Dongguo, leader of the Nationalist forces, into surrender.
The incident was reported in a book published by the People's Liberation Army Publishing House in August 1989, two months after the Tiananmen Square incident. White Snow, Red Blood, by Lieutenant Colonel Zhang Zhenglu, stated that 150,000 civilians starved to death during the siege, and that civilians attempting to leave the city were turned back to put pressure on the KMT garrison's food supply. Lt. Col. Zhang opined that the Chinese Revolution was "not worth the cost.", and praised Lin Biao's military skills as "superior to Mao Zedong's".
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